No, armour cannot break. You can be afflicted by a condition that makes you more vulnerable, but the items themselves can't be damaged.
At least phaseblades and the jungle armor breastplate, but for more info go to terraria wikia
Really good weapons and armor. :D
They can be used to make part of the jungle armor, the blade of grass, and the thorn chackram
You Need A Furnace (Craft) For Crafting Iron, Copper, Sliver, And Gold Bars And You Need An Anvil (Craft OR Buy From Merchant) To Craft The Armor.
No, armor cannot go away or "break" unless your character dies
You need at least a Nightmare Pickaxe before you can mine the Ebonstone, but you can use explosives to break it.
Leather armor
Terraria happened in 2011.
Search "Terraria invedit" on youtube.
You simply need to kill all the mechanical bosses. Generally, killing all 3 is enough for a full set of hallowed armor.
Just Google Terraria servers and copy the ip address into the multiplayer slot on terraria.
If you have Terraria on Steam it updates itself once an update is available.